Follow-up | AN group | COMP group | Singly ordered r × c contingency tables Kruskal-Wallis test | Exact Monte Carlo | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Response category | Response category | Test statistic | P (99% CI) | |||||||
0 | 4 | 8 | 12 | 0 | 4 | 8 | 12 | |||
6 year | 9 | 4 | 5 | 33 | 4 | 3 | 3 | 41 | 3.256 | 0.077 (0.07 to 0.084) |
10 year | 8 | 3 | 7 | 33 | 1 | 2 | 3 | 45 | 8.245 | 0.0026 (0.001 to 0.004) |
18 year | 17 | 3 | 7 | 24 | 2 | 2 | 11 | 36 | 9.881 | 0.001 (0.0002 to 0.002) |
Doubly ordered r × c contingency tables Analysis for time trend | Linear-by-linear association test | Linear-by-linear association test | Stratified r × c contingency tables Cochran-Mantel-Haenszel test | |||||||
Test statistic | −1.911 | 0 | 22.8 | |||||||
Exact Monte Carlo P | 0.06 | 1 | 0 | |||||||
99% CI | 0.05 to 0.07 | 0.9995 to 1 | 0 to 0.0005 |